Get a $25 Newegg Promo Gift Card when you spend $250+ between 1/17/26 and 1/19/26. Learn More>
  • In Stock
  • Sold by Newegg
  • Make an Offer
  • New
Department
Show More
Brands
Show More
Price
Show More
Color
Connector Number
All Top Brands
Availability
Condition
Current Promotion
Discount
Sold by
Useful Links
Customer Ratings
avatar

Any questions? Our AI beta will help you find out quickly.

Sort By:
View:
StarTech ICUSB234858I USB to RS-232/422/485 Serial Adapter - 8 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
Quick View
StarTech ICUSB234858I USB to RS-232/422/485 Serial Adapter - 8 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
  • Type: 8-Port Industrial USB to RS-232/422/485 Serial Adapter
  • Color: Black
  • Changer Type: USB to RS-232/422/485 Serial
  • Specifications: Converts a single USB port into eight RS232/RS422/RS485 serial ports over USB 2.0 with four modes: RS232, RS422, 4-wire and 2-wire RS485 15 kV ESD protection (Level 4) against noise emissions and electrical voltage surges DIN rail and wall mountable Rugged IP30 rated metal hub housing and screw-locking host connection, ideal for harsh industrial environments Data transfer baud rate up to 921.6Kbps Single USB 2.0 hub port (pass-through) for daisy chaining, or for connecting an additional USB device to the host COM port expansion with COM retention Self-powered with included external power adapter
  • Model #: ICUSB234858I
MM-PCI16C1058-8S PCI to 8-Port RS232 Serial Adapter Card 926.1Kbps Desktop COM Port with 1 to 8 DB9 Serial Cable Support PCIIRQ Sharing
Quick View
  •  
  • $55.73 
  • Free Shipping
  • $53.33 - $55.73
USB to RS485 COM Port Serial 9 Pin DB9 Cable Adapter support 7 64
Quick View
  •  
  • $15.77 
  • Free Shipping
FT232RL FT232 USB 3.3V 5.5V to TTL Serial Adapter Module Mini Port
Quick View
  •  
  • $11.35 
  • Free Shipping
FT232 Industrial-Grade UA Serial Port Module USB to TTL FT232RL Converter
Quick View
  •  
  • $19.04 
  • Free Shipping
Vszerda USB 3.0 to Nano Memory NM Card & SD Card Reader with Dual Port Writer for Camera & Laptop & Tablet & Mate Serial Phone
Quick View
  •  
  • $20.99 
  • Free Shipping
MAX3232 RS232 to TTL Serial Port Converter Module DB9 Connector MAX232
Quick View
  •  
  • $10.97 
  • Free Shipping
Vszerda 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SY-PEX15066
Quick View
Vszerda 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SY-PEX15066

Limited time offer, ends 02/03

  • Brand: IO CREST
  • Model #: SY-PEX15066
  •  
  • $78.99 
  • Free Shipping
Type C USB to TTL serial port ch340n module upgrade MCU download brush line
Quick View
  •  
  • $11.60 
  • Free Shipping
StarTech.com PEX8S1050LP 8-Port PCI Express Serial Card - 16C1050 UART RS232 - PCIE Low Profile Bracket - DB9 Serial Card (PEX8S1050LP)
Quick View
StarTech.com PEX8S1050LP 8-Port PCI Express Serial Card - 16C1050 UART RS232 - PCIE Low Profile Bracket - DB9 Serial Card (PEX8S1050LP)
  • Type: PCI Express to Serial Port Card
  • External Ports: 8 x DB-9 (9 pin, D-Sub) Male
  • Internal Ports: 1 x PCI Express x1 Male
  • Operating Systems Supported: Windows CE 5.0, 98SE, 2000, XP, Vista, 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2016, 2019 Linux 2.4.x to 4.11.x LTS Versions only
  • Model #: PEX8S1050LP